| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.configuration.internal.util; |
| |
| import java.io.Serializable; |
| import org.apache.ignite.configuration.tree.ConfigurationVisitor; |
| import org.apache.ignite.configuration.tree.InnerNode; |
| import org.apache.ignite.configuration.tree.NamedListNode; |
| |
| /** Visitor with just a single method to override. */ |
| public abstract class AnyNodeConfigurationVisitor<T> implements ConfigurationVisitor<T> { |
| /** {@inheritDoc} */ |
| @Override public final T visitLeafNode(String key, Serializable val) { |
| return visitNode(key, val); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public final T visitInnerNode(String key, InnerNode node) { |
| return visitNode(key, node); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public final <N extends InnerNode> T visitNamedListNode(String key, NamedListNode<N> node) { |
| return visitNode(key, node); |
| } |
| |
| /** |
| * Visit tree node. |
| * |
| * @param key Name of the node. |
| * @param node {@link InnerNode}, {@link NamedListNode} or {@link Serializable} leaf. |
| */ |
| protected abstract T visitNode(String key, Object node); |
| } |